<template>
    <div class = "app-container">
        讲师列表
        <!--查询表单-->
    <el-form :inline="true" class="demo-form-inline">
      <el-form-item>
        <el-input v-model="teacherQuery.name" placeholder="讲师名"/>
      </el-form-item>
      <el-form-item>
        <el-select v-model="teacherQuery.level" clearable placeholder="讲师头衔">
          <el-option :value="1" label="高级讲师"/>
          <el-option :value="2" label="首席讲师"/>
        </el-select>
      </el-form-item>

      <el-form-item label="添加时间">
        <el-date-picker
          v-model="teacherQuery.begin"
          type="datetime"
          placeholder="选择开始时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"
        />
      </el-form-item>
      <el-form-item>
        <el-date-picker
          v-model="teacherQuery.end"
          type="datetime"
          placeholder="选择截止时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"
        />
      </el-form-item>

      <el-button type="primary" icon="el-icon-search" @click="getList()">查询</el-button>
      <el-button type="default" @click="resetData()">清空</el-button>
    </el-form>
 <!-- 表格 -->
 <el-table
   :data="list" 
   border
   fit
   highlight-current-row>

   <el-table-column
     label="序号"
     width="70"
     align="center">
     <template slot-scope="scope">
       {{ (page - 1) * limit + scope.$index + 1 }}
     </template>
   </el-table-column>


   <el-table-column prop="name" label="名称" width="80" />


   <el-table-column label="头衔" width="80">
     <template slot-scope="scope">
       {{ scope.row.level===1?'高级讲师':'首席讲师' }}
     </template>
   </el-table-column>

   <el-table-column prop="intro" label="资历" />

   <el-table-column prop="gmtCreate" label="添加时间" width="160"/>

   <el-table-column prop="sort" label="排序" width="60" />

   <el-table-column label="操作" width="200" align="center">
     <template slot-scope="scope">
       <router-link :to="'/teacher/edit/'+scope.row.id">
         <el-button type="primary" size="mini" icon="el-icon-edit">修改</el-button>
       </router-link>
       <el-button type="danger" size="mini" icon="el-icon-delete" @click="removeDataById(scope.row.id)">删除</el-button>
      </template>
     </el-table-column>
    </el-table>
    <!-- 分页 -->
    <el-pagination
      :current-page="page" 
      :page-size="limit"
      :total="total"
      style="padding: 30px 0; text-align: center;"
      layout="total, prev, pager, next, jumper"
      @current-change="getList"
    />

  </div>
</template>

<script>
//引入调用teacher.js文件
import teacher from '@/api/edu/teacher'

export default {
    //写核心代码位置
    // data:{
    // },
    data(){//定义变量和初始值
        return{
            list:null,//查询之后接口返回集合
            page:1,//当前页
            limit:10,//每页记录数
            total:0,//总记录数
            teacherQuery:{}//条件封装对象
        }
    },
    created(){//页面渲染之前执行，一般调用methods定义方法
          //调用
          this.getList()

    },
    methods:{//创建具体的方法，调用teacher.js定义的方法
        //讲师列表的方法
        getList(page = 1){
            this.page = page
            teacher.getTeacherListPage(this.page,this.limit,this.teacherQuery)
              .then(response =>{//请求成功
                  //response接口返回的数据
                  //console.log(response)
                 this.list = response.data.rows
                 this.total = response.data.total
                 console.log(this.list)
                 console.log(this.total)
              })    
        } ,
        resetData(){//清空的方法
            //表单输入项数据清空
            this.teacherQuery = {}
            //查询所有讲师数据
            this.getList()
        },
        //删除讲师的方法
        removeDataById(id) {
          this.$confirm('此操作将永久删除该记录, 是否继续?', '提示', {
             confirmButonText: '确定',
             cancelButtonText: '取消',
             type: 'warning'
          }).then(() => {//点击确定，执行then方法
          //调用删除的方法
          teacher.deleteTeacherId(id)
            .then(response =>{//删除成功
               //提示信息
               this.$message({
            type: 'success',
            message: '删除成功!'
       });
             //回到列表页面
               this.getList()
            })     
        })//点击取消，执行catch方法
     }
  }
}
</script>